Ex 14.3, 3

Transcript

Ex 14.3, 3 Check whether the following pair of statements is negation of each other. Give reasons for the answer. x + y = y + x is true for every real numbers x and y. There exists real number x and y for which x + y = y + x. The negation of first statement is “There exists real numbers x & y for which x + y ≠ y + x “ Which is not equal to second statement. Hence given statement is false